Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol

Geoid model gave information in determination of orthometric height by knowing the ellipsoidal height. This ellipsoidal height using Global Navigation Satellite System (GNSS) technology. The main objective is to determine precise geoid models. There are several of method in determine geoid at any...

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Main Author:	Zol, Afiqah
Format:	Thesis
Language:	English
Published:	2018
Subjects:	Information technology. Information systems GPS receivers
Online Access:	http://ir.uitm.edu.my/id/eprint/22561/ http://ir.uitm.edu.my/id/eprint/22561/1/TD_AFIQAH%20ZOL%20AP%20R%2018.5.PDF

id	uitm-22561
recordtype	eprints
spelling	uitm-225612019-01-11T01:47:03Z http://ir.uitm.edu.my/id/eprint/22561/ Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol Zol, Afiqah Information technology. Information systems GPS receivers Geoid model gave information in determination of orthometric height by knowing the ellipsoidal height. This ellipsoidal height using Global Navigation Satellite System (GNSS) technology. The main objective is to determine precise geoid models. There are several of method in determine geoid at any country such as Remove- Compute-Restore (RCR) method. In this study, the Least Square Modification Stokes' (LSMS) approach by Royal Institute of Technology, (KTH) had been the aim for the evaluated in determine gravimetric geoid model in Johor region. In order to increase the accuracy of geoid model. Global Geopotential Model (GGM) along with Digital Elevation Model (DEM) are need. So that it achieved in study focus which is evaluation of DEM and GGM. The result of this study is one of three GGM were evaluate and ITU_GGC16 is the most precise global model that produce Root Mean Square Error (RMSE) with 0.22m over 3367 gravity points. In additional, in DEM evaluation, the SRTM30 show the RMSE with 7.12m. Furthermore, the precise gravimetric geoid model show that Aster using ITU_GGCI6 show precise than SRTM30 and SRTM90 with 1.365m. The comparison between RCR method where JUPEM used and KTH approach show that the LSMS method is better in determine precise geoid model for Johor region. 2018-12 Thesis NonPeerReviewed other en http://ir.uitm.edu.my/id/eprint/22561/1/TD_AFIQAH%20ZOL%20AP%20R%2018.5.PDF Zol, Afiqah (2018) Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol. Degree thesis, Universiti Teknologi Mara Perlis.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
language	English
topic	Information technology. Information systems GPS receivers
spellingShingle	Information technology. Information systems GPS receivers Zol, Afiqah Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
description	Geoid model gave information in determination of orthometric height by knowing the ellipsoidal height. This ellipsoidal height using Global Navigation Satellite System (GNSS) technology. The main objective is to determine precise geoid models. There are several of method in determine geoid at any country such as Remove- Compute-Restore (RCR) method. In this study, the Least Square Modification Stokes' (LSMS) approach by Royal Institute of Technology, (KTH) had been the aim for the evaluated in determine gravimetric geoid model in Johor region. In order to increase the accuracy of geoid model. Global Geopotential Model (GGM) along with Digital Elevation Model (DEM) are need. So that it achieved in study focus which is evaluation of DEM and GGM. The result of this study is one of three GGM were evaluate and ITU_GGC16 is the most precise global model that produce Root Mean Square Error (RMSE) with 0.22m over 3367 gravity points. In additional, in DEM evaluation, the SRTM30 show the RMSE with 7.12m. Furthermore, the precise gravimetric geoid model show that Aster using ITU_GGCI6 show precise than SRTM30 and SRTM90 with 1.365m. The comparison between RCR method where JUPEM used and KTH approach show that the LSMS method is better in determine precise geoid model for Johor region.
format	Thesis
author	Zol, Afiqah
author_facet	Zol, Afiqah
author_sort	Zol, Afiqah
title	Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
title_short	Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
title_full	Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
title_fullStr	Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
title_full_unstemmed	Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol
title_sort	effect global digital elevation model [gdem] in geoid modelling using [kth] method / afiqah zol
publishDate	2018
url	http://ir.uitm.edu.my/id/eprint/22561/ http://ir.uitm.edu.my/id/eprint/22561/1/TD_AFIQAH%20ZOL%20AP%20R%2018.5.PDF
first_indexed	2023-09-18T23:08:56Z
last_indexed	2023-09-18T23:08:56Z
_version_	1777418671104196608

Effect global digital elevation model [GDEM] in geoid modelling using [KTH] method / Afiqah Zol

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